common/image.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2008 Semihalf
   4  *
   5  * (C) Copyright 2000-2006
   6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   7  */
   8
   9 #ifndef USE_HOSTCC
  10 #include <common.h>
  11 #include <env.h>
  12 #include <watchdog.h>
  13
  14 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  15 #include <status_led.h>
  16 #endif
  17
  18 #include <rtc.h>
  19
  20 #include <gzip.h>
  21 #include <image.h>
  22 #include <mapmem.h>
  23
  24 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
  25 #include <linux/libfdt.h>
  26 #include <fdt_support.h>
  27 #include <fpga.h>
  28 #include <xilinx.h>
  29 #endif
  30
  31 #include <u-boot/md5.h>
  32 #include <u-boot/sha1.h>
  33 #include <linux/errno.h>
  34 #include <asm/io.h>
  35
  36 #include <bzlib.h>
  37 #include <linux/lzo.h>
  38 #include <lzma/LzmaTypes.h>
  39 #include <lzma/LzmaDec.h>
  40 #include <lzma/LzmaTools.h>
  41
  42 #ifdef CONFIG_CMD_BDI
  43 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  44 #endif
  45
  46 DECLARE_GLOBAL_DATA_PTR;
  47
  48 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
  49 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
  50                                                 int verify);
  51 #endif
  52 #else
  53 #include "mkimage.h"
  54 #include <u-boot/md5.h>
  55 #include <time.h>
  56 #include <image.h>
  57
  58 #ifndef __maybe_unused
  59 # define __maybe_unused         /* unimplemented */
  60 #endif
  61 #endif /* !USE_HOSTCC*/
  62
  63 #include <u-boot/crc.h>
  64 #include <imximage.h>
  65
  66 #ifndef CONFIG_SYS_BARGSIZE
  67 #define CONFIG_SYS_BARGSIZE 512
  68 #endif
  69
  70 static const table_entry_t uimage_arch[] = {
  71         {       IH_ARCH_INVALID,        "invalid",      "Invalid ARCH", },
  72         {       IH_ARCH_ALPHA,          "alpha",        "Alpha",        },
  73         {       IH_ARCH_ARM,            "arm",          "ARM",          },
  74         {       IH_ARCH_I386,           "x86",          "Intel x86",    },
  75         {       IH_ARCH_IA64,           "ia64",         "IA64",         },
  76         {       IH_ARCH_M68K,           "m68k",         "M68K",         },
  77         {       IH_ARCH_MICROBLAZE,     "microblaze",   "MicroBlaze",   },
  78         {       IH_ARCH_MIPS,           "mips",         "MIPS",         },
  79         {       IH_ARCH_MIPS64,         "mips64",       "MIPS 64 Bit",  },
  80         {       IH_ARCH_NIOS2,          "nios2",        "NIOS II",      },
  81         {       IH_ARCH_PPC,            "powerpc",      "PowerPC",      },
  82         {       IH_ARCH_PPC,            "ppc",          "PowerPC",      },
  83         {       IH_ARCH_S390,           "s390",         "IBM S390",     },
  84         {       IH_ARCH_SH,             "sh",           "SuperH",       },
  85         {       IH_ARCH_SPARC,          "sparc",        "SPARC",        },
  86         {       IH_ARCH_SPARC64,        "sparc64",      "SPARC 64 Bit", },
  87         {       IH_ARCH_BLACKFIN,       "blackfin",     "Blackfin",     },
  88         {       IH_ARCH_AVR32,          "avr32",        "AVR32",        },
  89         {       IH_ARCH_NDS32,          "nds32",        "NDS32",        },
  90         {       IH_ARCH_OPENRISC,       "or1k",         "OpenRISC 1000",},
  91         {       IH_ARCH_SANDBOX,        "sandbox",      "Sandbox",      },
  92         {       IH_ARCH_ARM64,          "arm64",        "AArch64",      },
  93         {       IH_ARCH_ARC,            "arc",          "ARC",          },
  94         {       IH_ARCH_X86_64,         "x86_64",       "AMD x86_64",   },
  95         {       IH_ARCH_XTENSA,         "xtensa",       "Xtensa",       },
  96         {       IH_ARCH_RISCV,          "riscv",        "RISC-V",       },
  97         {       -1,                     "",             "",             },
  98 };
  99
 100 static const table_entry_t uimage_os[] = {
 101         {       IH_OS_INVALID,  "invalid",      "Invalid OS",           },
 102         {       IH_OS_ARM_TRUSTED_FIRMWARE, "arm-trusted-firmware", "ARM Trusted Firmware"  },
 103         {       IH_OS_LINUX,    "linux",        "Linux",                },
 104 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
 105         {       IH_OS_LYNXOS,   "lynxos",       "LynxOS",               },
 106 #endif
 107         {       IH_OS_NETBSD,   "netbsd",       "NetBSD",               },
 108         {       IH_OS_OSE,      "ose",          "Enea OSE",             },
 109         {       IH_OS_PLAN9,    "plan9",        "Plan 9",               },
 110         {       IH_OS_RTEMS,    "rtems",        "RTEMS",                },
 111         {       IH_OS_TEE,      "tee",          "Trusted Execution Environment" },
 112         {       IH_OS_U_BOOT,   "u-boot",       "U-Boot",               },
 113         {       IH_OS_VXWORKS,  "vxworks",      "VxWorks",              },
 114 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
 115         {       IH_OS_QNX,      "qnx",          "QNX",                  },
 116 #endif
 117 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
 118         {       IH_OS_INTEGRITY,"integrity",    "INTEGRITY",            },
 119 #endif
 120 #ifdef USE_HOSTCC
 121         {       IH_OS_4_4BSD,   "4_4bsd",       "4_4BSD",               },
 122         {       IH_OS_DELL,     "dell",         "Dell",                 },
 123         {       IH_OS_ESIX,     "esix",         "Esix",                 },
 124         {       IH_OS_FREEBSD,  "freebsd",      "FreeBSD",              },
 125         {       IH_OS_IRIX,     "irix",         "Irix",                 },
 126         {       IH_OS_NCR,      "ncr",          "NCR",                  },
 127         {       IH_OS_OPENBSD,  "openbsd",      "OpenBSD",              },
 128         {       IH_OS_PSOS,     "psos",         "pSOS",                 },
 129         {       IH_OS_SCO,      "sco",          "SCO",                  },
 130         {       IH_OS_SOLARIS,  "solaris",      "Solaris",              },
 131         {       IH_OS_SVR4,     "svr4",         "SVR4",                 },
 132 #endif
 133 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
 134         {       IH_OS_OPENRTOS, "openrtos",     "OpenRTOS",             },
 135 #endif
 136         {       IH_OS_OPENSBI,  "opensbi",      "RISC-V OpenSBI",       },
 137
 138         {       -1,             "",             "",                     },
 139 };
 140
 141 static const table_entry_t uimage_type[] = {
 142         {       IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
 143         {       IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",   },
 144         {       IH_TYPE_FIRMWARE,   "firmware",   "Firmware",           },
 145         {       IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",   },
 146         {       IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
 147         {       IH_TYPE_KERNEL,     "kernel",     "Kernel Image",       },
 148         {       IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
 149         {       IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
 150         {       IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
 151         {       IH_TYPE_IMX8IMAGE,  "imx8image",  "NXP i.MX8 Boot Image",},
 152         {       IH_TYPE_IMX8MIMAGE, "imx8mimage", "NXP i.MX8M Boot Image",},
 153         {       IH_TYPE_INVALID,    "invalid",    "Invalid Image",      },
 154         {       IH_TYPE_MULTI,      "multi",      "Multi-File Image",   },
 155         {       IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
 156         {       IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
 157         {       IH_TYPE_RAMDISK,    "ramdisk",    "RAMDisk Image",      },
 158         {       IH_TYPE_SCRIPT,     "script",     "Script",             },
 159         {       IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SoCFPGA CV/AV preloader",},
 160         {       IH_TYPE_SOCFPGAIMAGE_V1, "socfpgaimage_v1", "Altera SoCFPGA A10 preloader",},
 161         {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
 162         {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
 163         {       IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
 164         {       IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
 165         {       IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
 166         {       IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
 167         {       IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
 168         {       IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
 169         {       IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
 170         {       IH_TYPE_VYBRIDIMAGE, "vybridimage",  "Vybrid Boot Image", },
 171         {       IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
 172         {       IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
 173         {       IH_TYPE_ZYNQMPBIF,  "zynqmpbif",  "Xilinx ZynqMP Boot Image (bif)" },
 174         {       IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
 175         {       IH_TYPE_TEE,        "tee",        "Trusted Execution Environment Image",},
 176         {       IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
 177         {       IH_TYPE_PMMC,        "pmmc",        "TI Power Management Micro-Controller Firmware",},
 178         {       IH_TYPE_STM32IMAGE, "stm32image", "STMicroelectronics STM32 Image" },
 179         {       IH_TYPE_MTKIMAGE,   "mtk_image",   "MediaTek BootROM loadable Image" },
 180         {       IH_TYPE_COPRO, "copro", "Coprocessor Image"},
 181         {       -1,                 "",           "",                   },
 182 };
 183
 184 static const table_entry_t uimage_comp[] = {
 185         {       IH_COMP_NONE,   "none",         "uncompressed",         },
 186         {       IH_COMP_BZIP2,  "bzip2",        "bzip2 compressed",     },
 187         {       IH_COMP_GZIP,   "gzip",         "gzip compressed",      },
 188         {       IH_COMP_LZMA,   "lzma",         "lzma compressed",      },
 189         {       IH_COMP_LZO,    "lzo",          "lzo compressed",       },
 190         {       IH_COMP_LZ4,    "lz4",          "lz4 compressed",       },
 191         {       -1,             "",             "",                     },
 192 };
 193
 194 struct table_info {
 195         const char *desc;
 196         int count;
 197         const table_entry_t *table;
 198 };
 199
 200 static const struct table_info table_info[IH_COUNT] = {
 201         { "architecture", IH_ARCH_COUNT, uimage_arch },
 202         { "compression", IH_COMP_COUNT, uimage_comp },
 203         { "operating system", IH_OS_COUNT, uimage_os },
 204         { "image type", IH_TYPE_COUNT, uimage_type },
 205 };
 206
 207 /*****************************************************************************/
 208 /* Legacy format routines */
 209 /*****************************************************************************/
 210 int image_check_hcrc(const image_header_t *hdr)
 211 {
 212         ulong hcrc;
 213         ulong len = image_get_header_size();
 214         image_header_t header;
 215
 216         /* Copy header so we can blank CRC field for re-calculation */
 217         memmove(&header, (char *)hdr, image_get_header_size());
 218         image_set_hcrc(&header, 0);
 219
 220         hcrc = crc32(0, (unsigned char *)&header, len);
 221
 222         return (hcrc == image_get_hcrc(hdr));
 223 }
 224
 225 int image_check_dcrc(const image_header_t *hdr)
 226 {
 227         ulong data = image_get_data(hdr);
 228         ulong len = image_get_data_size(hdr);
 229         ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
 230
 231         return (dcrc == image_get_dcrc(hdr));
 232 }
 233
 234 /**
 235  * image_multi_count - get component (sub-image) count
 236  * @hdr: pointer to the header of the multi component image
 237  *
 238  * image_multi_count() returns number of components in a multi
 239  * component image.
 240  *
 241  * Note: no checking of the image type is done, caller must pass
 242  * a valid multi component image.
 243  *
 244  * returns:
 245  *     number of components
 246  */
 247 ulong image_multi_count(const image_header_t *hdr)
 248 {
 249         ulong i, count = 0;
 250         uint32_t *size;
 251
 252         /* get start of the image payload, which in case of multi
 253          * component images that points to a table of component sizes */
 254         size = (uint32_t *)image_get_data(hdr);
 255
 256         /* count non empty slots */
 257         for (i = 0; size[i]; ++i)
 258                 count++;
 259
 260         return count;
 261 }
 262
 263 /**
 264  * image_multi_getimg - get component data address and size
 265  * @hdr: pointer to the header of the multi component image
 266  * @idx: index of the requested component
 267  * @data: pointer to a ulong variable, will hold component data address
 268  * @len: pointer to a ulong variable, will hold component size
 269  *
 270  * image_multi_getimg() returns size and data address for the requested
 271  * component in a multi component image.
 272  *
 273  * Note: no checking of the image type is done, caller must pass
 274  * a valid multi component image.
 275  *
 276  * returns:
 277  *     data address and size of the component, if idx is valid
 278  *     0 in data and len, if idx is out of range
 279  */
 280 void image_multi_getimg(const image_header_t *hdr, ulong idx,
 281                         ulong *data, ulong *len)
 282 {
 283         int i;
 284         uint32_t *size;
 285         ulong offset, count, img_data;
 286
 287         /* get number of component */
 288         count = image_multi_count(hdr);
 289
 290         /* get start of the image payload, which in case of multi
 291          * component images that points to a table of component sizes */
 292         size = (uint32_t *)image_get_data(hdr);
 293
 294         /* get address of the proper component data start, which means
 295          * skipping sizes table (add 1 for last, null entry) */
 296         img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
 297
 298         if (idx < count) {
 299                 *len = uimage_to_cpu(size[idx]);
 300                 offset = 0;
 301
 302                 /* go over all indices preceding requested component idx */
 303                 for (i = 0; i < idx; i++) {
 304                         /* add up i-th component size, rounding up to 4 bytes */
 305                         offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
 306                 }
 307
 308                 /* calculate idx-th component data address */
 309                 *data = img_data + offset;
 310         } else {
 311                 *len = 0;
 312                 *data = 0;
 313         }
 314 }
 315
 316 static void image_print_type(const image_header_t *hdr)
 317 {
 318         const char __maybe_unused *os, *arch, *type, *comp;
 319
 320         os = genimg_get_os_name(image_get_os(hdr));
 321         arch = genimg_get_arch_name(image_get_arch(hdr));
 322         type = genimg_get_type_name(image_get_type(hdr));
 323         comp = genimg_get_comp_name(image_get_comp(hdr));
 324
 325         printf("%s %s %s (%s)\n", arch, os, type, comp);
 326 }
 327
 328 /**
 329  * image_print_contents - prints out the contents of the legacy format image
 330  * @ptr: pointer to the legacy format image header
 331  * @p: pointer to prefix string
 332  *
 333  * image_print_contents() formats a multi line legacy image contents description.
 334  * The routine prints out all header fields followed by the size/offset data
 335  * for MULTI/SCRIPT images.
 336  *
 337  * returns:
 338  *     no returned results
 339  */
 340 void image_print_contents(const void *ptr)
 341 {
 342         const image_header_t *hdr = (const image_header_t *)ptr;
 343         const char __maybe_unused *p;
 344
 345         p = IMAGE_INDENT_STRING;
 346         printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
 347         if (IMAGE_ENABLE_TIMESTAMP) {
 348                 printf("%sCreated:      ", p);
 349                 genimg_print_time((time_t)image_get_time(hdr));
 350         }
 351         printf("%sImage Type:   ", p);
 352         image_print_type(hdr);
 353         printf("%sData Size:    ", p);
 354         genimg_print_size(image_get_data_size(hdr));
 355         printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
 356         printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
 357
 358         if (image_check_type(hdr, IH_TYPE_MULTI) ||
 359                         image_check_type(hdr, IH_TYPE_SCRIPT)) {
 360                 int i;
 361                 ulong data, len;
 362                 ulong count = image_multi_count(hdr);
 363
 364                 printf("%sContents:\n", p);
 365                 for (i = 0; i < count; i++) {
 366                         image_multi_getimg(hdr, i, &data, &len);
 367
 368                         printf("%s   Image %d: ", p, i);
 369                         genimg_print_size(len);
 370
 371                         if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
 372                                 /*
 373                                  * the user may need to know offsets
 374                                  * if planning to do something with
 375                                  * multiple files
 376                                  */
 377                                 printf("%s    Offset = 0x%08lx\n", p, data);
 378                         }
 379                 }
 380         } else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
 381                 printf("HAB Blocks:   0x%08x   0x0000   0x%08x\n",
 382                         image_get_load(hdr) - image_get_header_size(),
 383                         (int)(image_get_size(hdr) + image_get_header_size()
 384                         + sizeof(flash_header_v2_t) - 0x2060));
 385         }
 386 }
 387
 388 /**
 389  * print_decomp_msg() - Print a suitable decompression/loading message
 390  *
 391  * @type:       OS type (IH_OS_...)
 392  * @comp_type:  Compression type being used (IH_COMP_...)
 393  * @is_xip:     true if the load address matches the image start
 394  */
 395 static void print_decomp_msg(int comp_type, int type, bool is_xip)
 396 {
 397         const char *name = genimg_get_type_name(type);
 398
 399         if (comp_type == IH_COMP_NONE)
 400                 printf("   %s %s\n", is_xip ? "XIP" : "Loading", name);
 401         else
 402                 printf("   Uncompressing %s\n", name);
 403 }
 404
 405 int image_decomp(int comp, ulong load, ulong image_start, int type,
 406                  void *load_buf, void *image_buf, ulong image_len,
 407                  uint unc_len, ulong *load_end)
 408 {
 409         int ret = 0;
 410
 411         *load_end = load;
 412         print_decomp_msg(comp, type, load == image_start);
 413
 414         /*
 415          * Load the image to the right place, decompressing if needed. After
 416          * this, image_len will be set to the number of uncompressed bytes
 417          * loaded, ret will be non-zero on error.
 418          */
 419         switch (comp) {
 420         case IH_COMP_NONE:
 421                 if (load == image_start)
 422                         break;
 423                 if (image_len <= unc_len)
 424                         memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
 425                 else
 426                         ret = -ENOSPC;
 427                 break;
 428 #ifdef CONFIG_GZIP
 429         case IH_COMP_GZIP: {
 430                 ret = gunzip(load_buf, unc_len, image_buf, &image_len);
 431                 break;
 432         }
 433 #endif /* CONFIG_GZIP */
 434 #ifdef CONFIG_BZIP2
 435         case IH_COMP_BZIP2: {
 436                 uint size = unc_len;
 437
 438                 /*
 439                  * If we've got less than 4 MB of malloc() space,
 440                  * use slower decompression algorithm which requires
 441                  * at most 2300 KB of memory.
 442                  */
 443                 ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
 444                         image_buf, image_len,
 445                         CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
 446                 image_len = size;
 447                 break;
 448         }
 449 #endif /* CONFIG_BZIP2 */
 450 #ifdef CONFIG_LZMA
 451         case IH_COMP_LZMA: {
 452                 SizeT lzma_len = unc_len;
 453
 454                 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
 455                                                image_buf, image_len);
 456                 image_len = lzma_len;
 457                 break;
 458         }
 459 #endif /* CONFIG_LZMA */
 460 #ifdef CONFIG_LZO
 461         case IH_COMP_LZO: {
 462                 size_t size = unc_len;
 463
 464                 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
 465                 image_len = size;
 466                 break;
 467         }
 468 #endif /* CONFIG_LZO */
 469 #ifdef CONFIG_LZ4
 470         case IH_COMP_LZ4: {
 471                 size_t size = unc_len;
 472
 473                 ret = ulz4fn(image_buf, image_len, load_buf, &size);
 474                 image_len = size;
 475                 break;
 476         }
 477 #endif /* CONFIG_LZ4 */
 478         default:
 479                 printf("Unimplemented compression type %d\n", comp);
 480                 return -ENOSYS;
 481         }
 482
 483         *load_end = load + image_len;
 484
 485         return ret;
 486 }
 487
 488
 489 #ifndef USE_HOSTCC
 490 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 491 /**
 492  * image_get_ramdisk - get and verify ramdisk image
 493  * @rd_addr: ramdisk image start address
 494  * @arch: expected ramdisk architecture
 495  * @verify: checksum verification flag
 496  *
 497  * image_get_ramdisk() returns a pointer to the verified ramdisk image
 498  * header. Routine receives image start address and expected architecture
 499  * flag. Verification done covers data and header integrity and os/type/arch
 500  * fields checking.
 501  *
 502  * returns:
 503  *     pointer to a ramdisk image header, if image was found and valid
 504  *     otherwise, return NULL
 505  */
 506 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
 507                                                 int verify)
 508 {
 509         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
 510
 511         if (!image_check_magic(rd_hdr)) {
 512                 puts("Bad Magic Number\n");
 513                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
 514                 return NULL;
 515         }
 516
 517         if (!image_check_hcrc(rd_hdr)) {
 518                 puts("Bad Header Checksum\n");
 519                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 520                 return NULL;
 521         }
 522
 523         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
 524         image_print_contents(rd_hdr);
 525
 526         if (verify) {
 527                 puts("   Verifying Checksum ... ");
 528                 if (!image_check_dcrc(rd_hdr)) {
 529                         puts("Bad Data CRC\n");
 530                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
 531                         return NULL;
 532                 }
 533                 puts("OK\n");
 534         }
 535
 536         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 537
 538         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
 539             !image_check_arch(rd_hdr, arch) ||
 540             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
 541                 printf("No Linux %s Ramdisk Image\n",
 542                                 genimg_get_arch_name(arch));
 543                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
 544                 return NULL;
 545         }
 546
 547         return rd_hdr;
 548 }
 549 #endif
 550 #endif /* !USE_HOSTCC */
 551
 552 /*****************************************************************************/
 553 /* Shared dual-format routines */
 554 /*****************************************************************************/
 555 #ifndef USE_HOSTCC
 556 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
 557 ulong save_addr;                        /* Default Save Address */
 558 ulong save_size;                        /* Default Save Size (in bytes) */
 559
 560 static int on_loadaddr(const char *name, const char *value, enum env_op op,
 561         int flags)
 562 {
 563         switch (op) {
 564         case env_op_create:
 565         case env_op_overwrite:
 566                 load_addr = simple_strtoul(value, NULL, 16);
 567                 break;
 568         default:
 569                 break;
 570         }
 571
 572         return 0;
 573 }
 574 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 575
 576 ulong env_get_bootm_low(void)
 577 {
 578         char *s = env_get("bootm_low");
 579         if (s) {
 580                 ulong tmp = simple_strtoul(s, NULL, 16);
 581                 return tmp;
 582         }
 583
 584 #if defined(CONFIG_SYS_SDRAM_BASE)
 585         return CONFIG_SYS_SDRAM_BASE;
 586 #elif defined(CONFIG_ARM)
 587         return gd->bd->bi_dram[0].start;
 588 #else
 589         return 0;
 590 #endif
 591 }
 592
 593 phys_size_t env_get_bootm_size(void)
 594 {
 595         phys_size_t tmp, size;
 596         phys_addr_t start;
 597         char *s = env_get("bootm_size");
 598         if (s) {
 599                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 600                 return tmp;
 601         }
 602
 603 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
 604         start = gd->bd->bi_dram[0].start;
 605         size = gd->bd->bi_dram[0].size;
 606 #else
 607         start = gd->bd->bi_memstart;
 608         size = gd->bd->bi_memsize;
 609 #endif
 610
 611         s = env_get("bootm_low");
 612         if (s)
 613                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 614         else
 615                 tmp = start;
 616
 617         return size - (tmp - start);
 618 }
 619
 620 phys_size_t env_get_bootm_mapsize(void)
 621 {
 622         phys_size_t tmp;
 623         char *s = env_get("bootm_mapsize");
 624         if (s) {
 625                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 626                 return tmp;
 627         }
 628
 629 #if defined(CONFIG_SYS_BOOTMAPSZ)
 630         return CONFIG_SYS_BOOTMAPSZ;
 631 #else
 632         return env_get_bootm_size();
 633 #endif
 634 }
 635
 636 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 637 {
 638         if (to == from)
 639                 return;
 640
 641 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
 642         if (to > from) {
 643                 from += len;
 644                 to += len;
 645         }
 646         while (len > 0) {
 647                 size_t tail = (len > chunksz) ? chunksz : len;
 648                 WATCHDOG_RESET();
 649                 if (to > from) {
 650                         to -= tail;
 651                         from -= tail;
 652                 }
 653                 memmove(to, from, tail);
 654                 if (to < from) {
 655                         to += tail;
 656                         from += tail;
 657                 }
 658                 len -= tail;
 659         }
 660 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
 661         memmove(to, from, len);
 662 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
 663 }
 664 #else   /* USE_HOSTCC */
 665 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 666 {
 667         memmove(to, from, len);
 668 }
 669 #endif /* !USE_HOSTCC */
 670
 671 void genimg_print_size(uint32_t size)
 672 {
 673 #ifndef USE_HOSTCC
 674         printf("%d Bytes = ", size);
 675         print_size(size, "\n");
 676 #else
 677         printf("%d Bytes = %.2f KiB = %.2f MiB\n",
 678                         size, (double)size / 1.024e3,
 679                         (double)size / 1.048576e6);
 680 #endif
 681 }
 682
 683 #if IMAGE_ENABLE_TIMESTAMP
 684 void genimg_print_time(time_t timestamp)
 685 {
 686 #ifndef USE_HOSTCC
 687         struct rtc_time tm;
 688
 689         rtc_to_tm(timestamp, &tm);
 690         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 691                         tm.tm_year, tm.tm_mon, tm.tm_mday,
 692                         tm.tm_hour, tm.tm_min, tm.tm_sec);
 693 #else
 694         printf("%s", ctime(&timestamp));
 695 #endif
 696 }
 697 #endif
 698
 699 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
 700 {
 701         for (; table->id >= 0; ++table) {
 702                 if (table->id == id)
 703                         return table;
 704         }
 705         return NULL;
 706 }
 707
 708 static const char *unknown_msg(enum ih_category category)
 709 {
 710         static const char unknown_str[] = "Unknown ";
 711         static char msg[30];
 712
 713         strcpy(msg, unknown_str);
 714         strncat(msg, table_info[category].desc,
 715                 sizeof(msg) - sizeof(unknown_str));
 716
 717         return msg;
 718 }
 719
 720 /**
 721  * get_cat_table_entry_name - translate entry id to long name
 722  * @category: category to look up (enum ih_category)
 723  * @id: entry id to be translated
 724  *
 725  * This will scan the translation table trying to find the entry that matches
 726  * the given id.
 727  *
 728  * @retur long entry name if translation succeeds; error string on failure
 729  */
 730 const char *genimg_get_cat_name(enum ih_category category, uint id)
 731 {
 732         const table_entry_t *entry;
 733
 734         entry = get_table_entry(table_info[category].table, id);
 735         if (!entry)
 736                 return unknown_msg(category);
 737 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 738         return entry->lname;
 739 #else
 740         return entry->lname + gd->reloc_off;
 741 #endif
 742 }
 743
 744 /**
 745  * get_cat_table_entry_short_name - translate entry id to short name
 746  * @category: category to look up (enum ih_category)
 747  * @id: entry id to be translated
 748  *
 749  * This will scan the translation table trying to find the entry that matches
 750  * the given id.
 751  *
 752  * @retur short entry name if translation succeeds; error string on failure
 753  */
 754 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
 755 {
 756         const table_entry_t *entry;
 757
 758         entry = get_table_entry(table_info[category].table, id);
 759         if (!entry)
 760                 return unknown_msg(category);
 761 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 762         return entry->sname;
 763 #else
 764         return entry->sname + gd->reloc_off;
 765 #endif
 766 }
 767
 768 int genimg_get_cat_count(enum ih_category category)
 769 {
 770         return table_info[category].count;
 771 }
 772
 773 const char *genimg_get_cat_desc(enum ih_category category)
 774 {
 775         return table_info[category].desc;
 776 }
 777
 778 /**
 779  * get_table_entry_name - translate entry id to long name
 780  * @table: pointer to a translation table for entries of a specific type
 781  * @msg: message to be returned when translation fails
 782  * @id: entry id to be translated
 783  *
 784  * get_table_entry_name() will go over translation table trying to find
 785  * entry that matches given id. If matching entry is found, its long
 786  * name is returned to the caller.
 787  *
 788  * returns:
 789  *     long entry name if translation succeeds
 790  *     msg otherwise
 791  */
 792 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
 793 {
 794         table = get_table_entry(table, id);
 795         if (!table)
 796                 return msg;
 797 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 798         return table->lname;
 799 #else
 800         return table->lname + gd->reloc_off;
 801 #endif
 802 }
 803
 804 const char *genimg_get_os_name(uint8_t os)
 805 {
 806         return (get_table_entry_name(uimage_os, "Unknown OS", os));
 807 }
 808
 809 const char *genimg_get_arch_name(uint8_t arch)
 810 {
 811         return (get_table_entry_name(uimage_arch, "Unknown Architecture",
 812                                         arch));
 813 }
 814
 815 const char *genimg_get_type_name(uint8_t type)
 816 {
 817         return (get_table_entry_name(uimage_type, "Unknown Image", type));
 818 }
 819
 820 static const char *genimg_get_short_name(const table_entry_t *table, int val)
 821 {
 822         table = get_table_entry(table, val);
 823         if (!table)
 824                 return "unknown";
 825 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 826         return table->sname;
 827 #else
 828         return table->sname + gd->reloc_off;
 829 #endif
 830 }
 831
 832 const char *genimg_get_type_short_name(uint8_t type)
 833 {
 834         return genimg_get_short_name(uimage_type, type);
 835 }
 836
 837 const char *genimg_get_comp_name(uint8_t comp)
 838 {
 839         return (get_table_entry_name(uimage_comp, "Unknown Compression",
 840                                         comp));
 841 }
 842
 843 const char *genimg_get_comp_short_name(uint8_t comp)
 844 {
 845         return genimg_get_short_name(uimage_comp, comp);
 846 }
 847
 848 const char *genimg_get_os_short_name(uint8_t os)
 849 {
 850         return genimg_get_short_name(uimage_os, os);
 851 }
 852
 853 const char *genimg_get_arch_short_name(uint8_t arch)
 854 {
 855         return genimg_get_short_name(uimage_arch, arch);
 856 }
 857
 858 /**
 859  * get_table_entry_id - translate short entry name to id
 860  * @table: pointer to a translation table for entries of a specific type
 861  * @table_name: to be used in case of error
 862  * @name: entry short name to be translated
 863  *
 864  * get_table_entry_id() will go over translation table trying to find
 865  * entry that matches given short name. If matching entry is found,
 866  * its id returned to the caller.
 867  *
 868  * returns:
 869  *     entry id if translation succeeds
 870  *     -1 otherwise
 871  */
 872 int get_table_entry_id(const table_entry_t *table,
 873                 const char *table_name, const char *name)
 874 {
 875         const table_entry_t *t;
 876
 877         for (t = table; t->id >= 0; ++t) {
 878 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 879                 if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
 880 #else
 881                 if (t->sname && strcasecmp(t->sname, name) == 0)
 882 #endif
 883                         return (t->id);
 884         }
 885         debug("Invalid %s Type: %s\n", table_name, name);
 886
 887         return -1;
 888 }
 889
 890 int genimg_get_os_id(const char *name)
 891 {
 892         return (get_table_entry_id(uimage_os, "OS", name));
 893 }
 894
 895 int genimg_get_arch_id(const char *name)
 896 {
 897         return (get_table_entry_id(uimage_arch, "CPU", name));
 898 }
 899
 900 int genimg_get_type_id(const char *name)
 901 {
 902         return (get_table_entry_id(uimage_type, "Image", name));
 903 }
 904
 905 int genimg_get_comp_id(const char *name)
 906 {
 907         return (get_table_entry_id(uimage_comp, "Compression", name));
 908 }
 909
 910 #ifndef USE_HOSTCC
 911 /**
 912  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
 913  *                              FIT strings
 914  * @img_addr: a string might contain real image address
 915  * @fit_uname_config: double pointer to a char, will hold pointer to a
 916  *                    configuration unit name
 917  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
 918  *                    name
 919  *
 920  * genimg_get_kernel_addr_fit get the real kernel start address from a string
 921  * which is normally the first argv of bootm/bootz
 922  *
 923  * returns:
 924  *     kernel start address
 925  */
 926 ulong genimg_get_kernel_addr_fit(char * const img_addr,
 927                              const char **fit_uname_config,
 928                              const char **fit_uname_kernel)
 929 {
 930         ulong kernel_addr;
 931
 932         /* find out kernel image address */
 933         if (!img_addr) {
 934                 kernel_addr = load_addr;
 935                 debug("*  kernel: default image load address = 0x%08lx\n",
 936                       load_addr);
 937 #if CONFIG_IS_ENABLED(FIT)
 938         } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
 939                                   fit_uname_config)) {
 940                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 941                       *fit_uname_config, kernel_addr);
 942         } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
 943                                      fit_uname_kernel)) {
 944                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 945                       *fit_uname_kernel, kernel_addr);
 946 #endif
 947         } else {
 948                 kernel_addr = simple_strtoul(img_addr, NULL, 16);
 949                 debug("*  kernel: cmdline image address = 0x%08lx\n",
 950                       kernel_addr);
 951         }
 952
 953         return kernel_addr;
 954 }
 955
 956 /**
 957  * genimg_get_kernel_addr() is the simple version of
 958  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
 959  */
 960 ulong genimg_get_kernel_addr(char * const img_addr)
 961 {
 962         const char *fit_uname_config = NULL;
 963         const char *fit_uname_kernel = NULL;
 964
 965         return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
 966                                           &fit_uname_kernel);
 967 }
 968
 969 /**
 970  * genimg_get_format - get image format type
 971  * @img_addr: image start address
 972  *
 973  * genimg_get_format() checks whether provided address points to a valid
 974  * legacy or FIT image.
 975  *
 976  * New uImage format and FDT blob are based on a libfdt. FDT blob
 977  * may be passed directly or embedded in a FIT image. In both situations
 978  * genimg_get_format() must be able to dectect libfdt header.
 979  *
 980  * returns:
 981  *     image format type or IMAGE_FORMAT_INVALID if no image is present
 982  */
 983 int genimg_get_format(const void *img_addr)
 984 {
 985 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 986         const image_header_t *hdr;
 987
 988         hdr = (const image_header_t *)img_addr;
 989         if (image_check_magic(hdr))
 990                 return IMAGE_FORMAT_LEGACY;
 991 #endif
 992 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
 993         if (fdt_check_header(img_addr) == 0)
 994                 return IMAGE_FORMAT_FIT;
 995 #endif
 996 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 997         if (android_image_check_header(img_addr) == 0)
 998                 return IMAGE_FORMAT_ANDROID;
 999 #endif
1000
1001         return IMAGE_FORMAT_INVALID;
1002 }
1003
1004 /**
1005  * fit_has_config - check if there is a valid FIT configuration
1006  * @images: pointer to the bootm command headers structure
1007  *
1008  * fit_has_config() checks if there is a FIT configuration in use
1009  * (if FTI support is present).
1010  *
1011  * returns:
1012  *     0, no FIT support or no configuration found
1013  *     1, configuration found
1014  */
1015 int genimg_has_config(bootm_headers_t *images)
1016 {
1017 #if IMAGE_ENABLE_FIT
1018         if (images->fit_uname_cfg)
1019                 return 1;
1020 #endif
1021         return 0;
1022 }
1023
1024 /**
1025  * boot_get_ramdisk - main ramdisk handling routine
1026  * @argc: command argument count
1027  * @argv: command argument list
1028  * @images: pointer to the bootm images structure
1029  * @arch: expected ramdisk architecture
1030  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
1031  * @rd_end: pointer to a ulong variable, will hold ramdisk end
1032  *
1033  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
1034  * Curently supported are the following ramdisk sources:
1035  *      - multicomponent kernel/ramdisk image,
1036  *      - commandline provided address of decicated ramdisk image.
1037  *
1038  * returns:
1039  *     0, if ramdisk image was found and valid, or skiped
1040  *     rd_start and rd_end are set to ramdisk start/end addresses if
1041  *     ramdisk image is found and valid
1042  *
1043  *     1, if ramdisk image is found but corrupted, or invalid
1044  *     rd_start and rd_end are set to 0 if no ramdisk exists
1045  */
1046 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
1047                 uint8_t arch, ulong *rd_start, ulong *rd_end)
1048 {
1049         ulong rd_addr, rd_load;
1050         ulong rd_data, rd_len;
1051 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
1052         const image_header_t *rd_hdr;
1053 #endif
1054         void *buf;
1055 #ifdef CONFIG_SUPPORT_RAW_INITRD
1056         char *end;
1057 #endif
1058 #if IMAGE_ENABLE_FIT
1059         const char      *fit_uname_config = images->fit_uname_cfg;
1060         const char      *fit_uname_ramdisk = NULL;
1061         ulong           default_addr;
1062         int             rd_noffset;
1063 #endif
1064         const char *select = NULL;
1065
1066         *rd_start = 0;
1067         *rd_end = 0;
1068
1069 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1070         /*
1071          * Look for an Android boot image.
1072          */
1073         buf = map_sysmem(images->os.start, 0);
1074         if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
1075                 select = (argc == 0) ? env_get("loadaddr") : argv[0];
1076 #endif
1077
1078         if (argc >= 2)
1079                 select = argv[1];
1080
1081         /*
1082          * Look for a '-' which indicates to ignore the
1083          * ramdisk argument
1084          */
1085         if (select && strcmp(select, "-") ==  0) {
1086                 debug("## Skipping init Ramdisk\n");
1087                 rd_len = rd_data = 0;
1088         } else if (select || genimg_has_config(images)) {
1089 #if IMAGE_ENABLE_FIT
1090                 if (select) {
1091                         /*
1092                          * If the init ramdisk comes from the FIT image and
1093                          * the FIT image address is omitted in the command
1094                          * line argument, try to use os FIT image address or
1095                          * default load address.
1096                          */
1097                         if (images->fit_uname_os)
1098                                 default_addr = (ulong)images->fit_hdr_os;
1099                         else
1100                                 default_addr = load_addr;
1101
1102                         if (fit_parse_conf(select, default_addr,
1103                                            &rd_addr, &fit_uname_config)) {
1104                                 debug("*  ramdisk: config '%s' from image at "
1105                                                 "0x%08lx\n",
1106                                                 fit_uname_config, rd_addr);
1107                         } else if (fit_parse_subimage(select, default_addr,
1108                                                 &rd_addr, &fit_uname_ramdisk)) {
1109                                 debug("*  ramdisk: subimage '%s' from image at "
1110                                                 "0x%08lx\n",
1111                                                 fit_uname_ramdisk, rd_addr);
1112                         } else
1113 #endif
1114                         {
1115                                 rd_addr = simple_strtoul(select, NULL, 16);
1116                                 debug("*  ramdisk: cmdline image address = "
1117                                                 "0x%08lx\n",
1118                                                 rd_addr);
1119                         }
1120 #if IMAGE_ENABLE_FIT
1121                 } else {
1122                         /* use FIT configuration provided in first bootm
1123                          * command argument. If the property is not defined,
1124                          * quit silently.
1125                          */
1126                         rd_addr = map_to_sysmem(images->fit_hdr_os);
1127                         rd_noffset = fit_get_node_from_config(images,
1128                                         FIT_RAMDISK_PROP, rd_addr);
1129                         if (rd_noffset == -ENOENT)
1130                                 return 0;
1131                         else if (rd_noffset < 0)
1132                                 return 1;
1133                 }
1134 #endif
1135
1136                 /*
1137                  * Check if there is an initrd image at the
1138                  * address provided in the second bootm argument
1139                  * check image type, for FIT images get FIT node.
1140                  */
1141                 buf = map_sysmem(rd_addr, 0);
1142                 switch (genimg_get_format(buf)) {
1143 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
1144                 case IMAGE_FORMAT_LEGACY:
1145                         printf("## Loading init Ramdisk from Legacy "
1146                                         "Image at %08lx ...\n", rd_addr);
1147
1148                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1149                         rd_hdr = image_get_ramdisk(rd_addr, arch,
1150                                                         images->verify);
1151
1152                         if (rd_hdr == NULL)
1153                                 return 1;
1154
1155                         rd_data = image_get_data(rd_hdr);
1156                         rd_len = image_get_data_size(rd_hdr);
1157                         rd_load = image_get_load(rd_hdr);
1158                         break;
1159 #endif
1160 #if IMAGE_ENABLE_FIT
1161                 case IMAGE_FORMAT_FIT:
1162                         rd_noffset = fit_image_load(images,
1163                                         rd_addr, &fit_uname_ramdisk,
1164                                         &fit_uname_config, arch,
1165                                         IH_TYPE_RAMDISK,
1166                                         BOOTSTAGE_ID_FIT_RD_START,
1167                                         FIT_LOAD_OPTIONAL_NON_ZERO,
1168                                         &rd_data, &rd_len);
1169                         if (rd_noffset < 0)
1170                                 return 1;
1171
1172                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1173                         images->fit_uname_rd = fit_uname_ramdisk;
1174                         images->fit_noffset_rd = rd_noffset;
1175                         break;
1176 #endif
1177 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1178                 case IMAGE_FORMAT_ANDROID:
1179                         android_image_get_ramdisk((void *)images->os.start,
1180                                 &rd_data, &rd_len);
1181                         break;
1182 #endif
1183                 default:
1184 #ifdef CONFIG_SUPPORT_RAW_INITRD
1185                         end = NULL;
1186                         if (select)
1187                                 end = strchr(select, ':');
1188                         if (end) {
1189                                 rd_len = simple_strtoul(++end, NULL, 16);
1190                                 rd_data = rd_addr;
1191                         } else
1192 #endif
1193                         {
1194                                 puts("Wrong Ramdisk Image Format\n");
1195                                 rd_data = rd_len = rd_load = 0;
1196                                 return 1;
1197                         }
1198                 }
1199         } else if (images->legacy_hdr_valid &&
1200                         image_check_type(&images->legacy_hdr_os_copy,
1201                                                 IH_TYPE_MULTI)) {
1202
1203                 /*
1204                  * Now check if we have a legacy mult-component image,
1205                  * get second entry data start address and len.
1206                  */
1207                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1208                 printf("## Loading init Ramdisk from multi component "
1209                                 "Legacy Image at %08lx ...\n",
1210                                 (ulong)images->legacy_hdr_os);
1211
1212                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1213         } else {
1214                 /*
1215                  * no initrd image
1216                  */
1217                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1218                 rd_len = rd_data = 0;
1219         }
1220
1221         if (!rd_data) {
1222                 debug("## No init Ramdisk\n");
1223         } else {
1224                 *rd_start = rd_data;
1225                 *rd_end = rd_data + rd_len;
1226         }
1227         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1228                         *rd_start, *rd_end);
1229
1230         return 0;
1231 }
1232
1233 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1234 /**
1235  * boot_ramdisk_high - relocate init ramdisk
1236  * @lmb: pointer to lmb handle, will be used for memory mgmt
1237  * @rd_data: ramdisk data start address
1238  * @rd_len: ramdisk data length
1239  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1240  *      start address (after possible relocation)
1241  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1242  *      end address (after possible relocation)
1243  *
1244  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1245  * variable and if requested ramdisk data is moved to a specified location.
1246  *
1247  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1248  * start/end addresses if ramdisk image start and len were provided,
1249  * otherwise set initrd_start and initrd_end set to zeros.
1250  *
1251  * returns:
1252  *      0 - success
1253  *     -1 - failure
1254  */
1255 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1256                   ulong *initrd_start, ulong *initrd_end)
1257 {
1258         char    *s;
1259         ulong   initrd_high;
1260         int     initrd_copy_to_ram = 1;
1261
1262         s = env_get("initrd_high");
1263         if (s) {
1264                 /* a value of "no" or a similar string will act like 0,
1265                  * turning the "load high" feature off. This is intentional.
1266                  */
1267                 initrd_high = simple_strtoul(s, NULL, 16);
1268                 if (initrd_high == ~0)
1269                         initrd_copy_to_ram = 0;
1270         } else {
1271                 initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
1272         }
1273
1274
1275         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1276                         initrd_high, initrd_copy_to_ram);
1277
1278         if (rd_data) {
1279                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
1280                         debug("   in-place initrd\n");
1281                         *initrd_start = rd_data;
1282                         *initrd_end = rd_data + rd_len;
1283                         lmb_reserve(lmb, rd_data, rd_len);
1284                 } else {
1285                         if (initrd_high)
1286                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
1287                                                 rd_len, 0x1000, initrd_high);
1288                         else
1289                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1290                                                                  0x1000);
1291
1292                         if (*initrd_start == 0) {
1293                                 puts("ramdisk - allocation error\n");
1294                                 goto error;
1295                         }
1296                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1297
1298                         *initrd_end = *initrd_start + rd_len;
1299                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1300                                         *initrd_start, *initrd_end);
1301
1302                         memmove_wd((void *)*initrd_start,
1303                                         (void *)rd_data, rd_len, CHUNKSZ);
1304
1305 #ifdef CONFIG_MP
1306                         /*
1307                          * Ensure the image is flushed to memory to handle
1308                          * AMP boot scenarios in which we might not be
1309                          * HW cache coherent
1310                          */
1311                         flush_cache((unsigned long)*initrd_start,
1312                                     ALIGN(rd_len, ARCH_DMA_MINALIGN));
1313 #endif
1314                         puts("OK\n");
1315                 }
1316         } else {
1317                 *initrd_start = 0;
1318                 *initrd_end = 0;
1319         }
1320         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1321                         *initrd_start, *initrd_end);
1322
1323         return 0;
1324
1325 error:
1326         return -1;
1327 }
1328 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1329
1330 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1331                    ulong *setup_start, ulong *setup_len)
1332 {
1333 #if IMAGE_ENABLE_FIT
1334         return boot_get_setup_fit(images, arch, setup_start, setup_len);
1335 #else
1336         return -ENOENT;
1337 #endif
1338 }
1339
1340 #if IMAGE_ENABLE_FIT
1341 #if defined(CONFIG_FPGA)
1342 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
1343                   uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1344 {
1345         ulong tmp_img_addr, img_data, img_len;
1346         void *buf;
1347         int conf_noffset;
1348         int fit_img_result;
1349         const char *uname, *name;
1350         int err;
1351         int devnum = 0; /* TODO support multi fpga platforms */
1352
1353         /* Check to see if the images struct has a FIT configuration */
1354         if (!genimg_has_config(images)) {
1355                 debug("## FIT configuration was not specified\n");
1356                 return 0;
1357         }
1358
1359         /*
1360          * Obtain the os FIT header from the images struct
1361          */
1362         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1363         buf = map_sysmem(tmp_img_addr, 0);
1364         /*
1365          * Check image type. For FIT images get FIT node
1366          * and attempt to locate a generic binary.
1367          */
1368         switch (genimg_get_format(buf)) {
1369         case IMAGE_FORMAT_FIT:
1370                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1371
1372                 uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
1373                                            NULL);
1374                 if (!uname) {
1375                         debug("## FPGA image is not specified\n");
1376                         return 0;
1377                 }
1378                 fit_img_result = fit_image_load(images,
1379                                                 tmp_img_addr,
1380                                                 (const char **)&uname,
1381                                                 &(images->fit_uname_cfg),
1382                                                 arch,
1383                                                 IH_TYPE_FPGA,
1384                                                 BOOTSTAGE_ID_FPGA_INIT,
1385                                                 FIT_LOAD_OPTIONAL_NON_ZERO,
1386                                                 &img_data, &img_len);
1387
1388                 debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1389                       uname, img_data, img_len);
1390
1391                 if (fit_img_result < 0) {
1392                         /* Something went wrong! */
1393                         return fit_img_result;
1394                 }
1395
1396                 if (!fpga_is_partial_data(devnum, img_len)) {
1397                         name = "full";
1398                         err = fpga_loadbitstream(devnum, (char *)img_data,
1399                                                  img_len, BIT_FULL);
1400                         if (err)
1401                                 err = fpga_load(devnum, (const void *)img_data,
1402                                                 img_len, BIT_FULL);
1403                 } else {
1404                         name = "partial";
1405                         err = fpga_loadbitstream(devnum, (char *)img_data,
1406                                                  img_len, BIT_PARTIAL);
1407                         if (err)
1408                                 err = fpga_load(devnum, (const void *)img_data,
1409                                                 img_len, BIT_PARTIAL);
1410                 }
1411
1412                 if (err)
1413                         return err;
1414
1415                 printf("   Programming %s bitstream... OK\n", name);
1416                 break;
1417         default:
1418                 printf("The given image format is not supported (corrupt?)\n");
1419                 return 1;
1420         }
1421
1422         return 0;
1423 }
1424 #endif
1425
1426 static void fit_loadable_process(uint8_t img_type,
1427                                  ulong img_data,
1428                                  ulong img_len)
1429 {
1430         int i;
1431         const unsigned int count =
1432                         ll_entry_count(struct fit_loadable_tbl, fit_loadable);
1433         struct fit_loadable_tbl *fit_loadable_handler =
1434                         ll_entry_start(struct fit_loadable_tbl, fit_loadable);
1435         /* For each loadable handler */
1436         for (i = 0; i < count; i++, fit_loadable_handler++)
1437                 /* matching this type */
1438                 if (fit_loadable_handler->type == img_type)
1439                         /* call that handler with this image data */
1440                         fit_loadable_handler->handler(img_data, img_len);
1441 }
1442
1443 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1444                 uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1445 {
1446         /*
1447          * These variables are used to hold the current image location
1448          * in system memory.
1449          */
1450         ulong tmp_img_addr;
1451         /*
1452          * These two variables are requirements for fit_image_load, but
1453          * their values are not used
1454          */
1455         ulong img_data, img_len;
1456         void *buf;
1457         int loadables_index;
1458         int conf_noffset;
1459         int fit_img_result;
1460         const char *uname;
1461         uint8_t img_type;
1462
1463         /* Check to see if the images struct has a FIT configuration */
1464         if (!genimg_has_config(images)) {
1465                 debug("## FIT configuration was not specified\n");
1466                 return 0;
1467         }
1468
1469         /*
1470          * Obtain the os FIT header from the images struct
1471          */
1472         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1473         buf = map_sysmem(tmp_img_addr, 0);
1474         /*
1475          * Check image type. For FIT images get FIT node
1476          * and attempt to locate a generic binary.
1477          */
1478         switch (genimg_get_format(buf)) {
1479         case IMAGE_FORMAT_FIT:
1480                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1481
1482                 for (loadables_index = 0;
1483                      uname = fdt_stringlist_get(buf, conf_noffset,
1484                                         FIT_LOADABLE_PROP, loadables_index,
1485                                         NULL), uname;
1486                      loadables_index++)
1487                 {
1488                         fit_img_result = fit_image_load(images,
1489                                 tmp_img_addr,
1490                                 &uname,
1491                                 &(images->fit_uname_cfg), arch,
1492                                 IH_TYPE_LOADABLE,
1493                                 BOOTSTAGE_ID_FIT_LOADABLE_START,
1494                                 FIT_LOAD_OPTIONAL_NON_ZERO,
1495                                 &img_data, &img_len);
1496                         if (fit_img_result < 0) {
1497                                 /* Something went wrong! */
1498                                 return fit_img_result;
1499                         }
1500
1501                         fit_img_result = fit_image_get_node(buf, uname);
1502                         if (fit_img_result < 0) {
1503                                 /* Something went wrong! */
1504                                 return fit_img_result;
1505                         }
1506                         fit_img_result = fit_image_get_type(buf,
1507                                                             fit_img_result,
1508                                                             &img_type);
1509                         if (fit_img_result < 0) {
1510                                 /* Something went wrong! */
1511                                 return fit_img_result;
1512                         }
1513
1514                         fit_loadable_process(img_type, img_data, img_len);
1515                 }
1516                 break;
1517         default:
1518                 printf("The given image format is not supported (corrupt?)\n");
1519                 return 1;
1520         }
1521
1522         return 0;
1523 }
1524 #endif
1525
1526 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1527 /**
1528  * boot_get_cmdline - allocate and initialize kernel cmdline
1529  * @lmb: pointer to lmb handle, will be used for memory mgmt
1530  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1531  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1532  *
1533  * boot_get_cmdline() allocates space for kernel command line below
1534  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
1535  * variable is present its contents is copied to allocated kernel
1536  * command line.
1537  *
1538  * returns:
1539  *      0 - success
1540  *     -1 - failure
1541  */
1542 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1543 {
1544         char *cmdline;
1545         char *s;
1546
1547         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1548                                 env_get_bootm_mapsize() + env_get_bootm_low());
1549
1550         if (cmdline == NULL)
1551                 return -1;
1552
1553         s = env_get("bootargs");
1554         if (!s)
1555                 s = "";
1556
1557         strcpy(cmdline, s);
1558
1559         *cmd_start = (ulong) & cmdline[0];
1560         *cmd_end = *cmd_start + strlen(cmdline);
1561
1562         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1563
1564         return 0;
1565 }
1566 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1567
1568 #ifdef CONFIG_SYS_BOOT_GET_KBD
1569 /**
1570  * boot_get_kbd - allocate and initialize kernel copy of board info
1571  * @lmb: pointer to lmb handle, will be used for memory mgmt
1572  * @kbd: double pointer to board info data
1573  *
1574  * boot_get_kbd() allocates space for kernel copy of board info data below
1575  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
1576  * with the current u-boot board info data.
1577  *
1578  * returns:
1579  *      0 - success
1580  *     -1 - failure
1581  */
1582 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1583 {
1584         *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1585                                 env_get_bootm_mapsize() + env_get_bootm_low());
1586         if (*kbd == NULL)
1587                 return -1;
1588
1589         **kbd = *(gd->bd);
1590
1591         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1592
1593 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1594         do_bdinfo(NULL, 0, 0, NULL);
1595 #endif
1596
1597         return 0;
1598 }
1599 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1600
1601 #ifdef CONFIG_LMB
1602 int image_setup_linux(bootm_headers_t *images)
1603 {
1604         ulong of_size = images->ft_len;
1605         char **of_flat_tree = &images->ft_addr;
1606         struct lmb *lmb = &images->lmb;
1607         int ret;
1608
1609         if (IMAGE_ENABLE_OF_LIBFDT)
1610                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1611
1612         if (IMAGE_BOOT_GET_CMDLINE) {
1613                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1614                                 &images->cmdline_end);
1615                 if (ret) {
1616                         puts("ERROR with allocation of cmdline\n");
1617                         return ret;
1618                 }
1619         }
1620
1621         if (IMAGE_ENABLE_OF_LIBFDT) {
1622                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1623                 if (ret)
1624                         return ret;
1625         }
1626
1627         if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1628                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1629                 if (ret)
1630                         return ret;
1631         }
1632
1633         return 0;
1634 }
1635 #endif /* CONFIG_LMB */
1636 #endif /* !USE_HOSTCC */